The figure shows a rectangle QRST. ∠QTU = 61° and ∠RTS = 43°. Find
- ∠RTU
- ∠QRT
(a)
∠RTU
= 61° + 43° - 90°
= 14° (Overlapping angles)
(b)
∠QTR
= 61° - 14°
= 47° (Overlapping angles)
∠QRT
= 180° - 90° - 47°
= 43° (Angles sum of triangle)
Answer(s): (a) 14°; (b) 43°